I've never stayed at CBR, but I've stayed in many other resorts and they tend to all have similar coffee makers and coffee amenities.
As I recall, they give you single-use coffee packets that are already in a filter pouch. It's really convenient, and you don't need to bring any filters. Can anyone verify this?
If you are bringing your own coffee, I think the filters are the standard type with the flat bottom (not the cone-shaped variety).